All versions of 48sx, a vintage RPN calculator

org.czo.droid48sx · 3 versions

48sx, a vintage RPN calculator has 3 versions listed, going back to vv13.1.

Minimum Android version over time

Older versions are the way to go if your device runs an earlier Android release.

All 3 versions checked are signed with the same certificate (15:A2:09:40…, issued to “Czo Droid”), so they can update one another.

Versions, newest first

v15.2 (29146660) LATEST
Uploaded Dec 23, 2025 1.7 MB Android 5.0+ TRUSTED
MD5 38ca928bc210cd388e5d120f8b31cbc2
Download 48sx, a vintage RPN calculator v15.2
What's new (as uploaded)
- Intended to work from Android 5 to 15 on armeabi-v7a, arm64-v8a, x86 and x86_64 architectures - In recent versions of Android, you must grant the 'Photos and Videos' permission for 'Load object on stack' and 'Save/Restore checkpoint ZIP' to function properly. The file must be located in the Download folder and have a '.png' extension. I hope it will be OK for Google Play!
vv14.1 (28728418)
Uploaded Aug 16, 2024 1.7 MB Android 5.0+ TRUSTED
MD5 6e6d090adb4b3bae6e89590befae6934
Download 48sx, a vintage RPN calculator vv14.1
What's new (as uploaded)
- Bug fixes and performance improvements - Intended to work from Android 5 to 14 on armeabi-v7a, arm64-v8a, x86 and x86_64 architectures - In recent versions of Android, you must grant the 'Photos and Videos' permission for 'Load object on stack' and 'Save/Restore checkpoint ZIP' to function properly. The file must be located in the Download folder and have a '.png' extension.
vv13.1 (28459983)
Uploaded May 30, 2024 1.7 MB Android 4.4+ TRUSTED
MD5 8ebabdce6c143589ff02176d9b15f6df
Download 48sx, a vintage RPN calculator vv13.1
What's new (as uploaded)
- Bug fixes and performance improvements - Intended to work from Android 4.4 to 13 on armeabi-v7a, arm64-v8a, x86 and x86_64 architectures - On Android 13 (API 33), you must allow "Photos and videos permission". The file must be located in the Download folder, and its extension must be ".png" for "Load object on stack" and "Restore checkpoint ZIP" to work.